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MDB Ventures Home


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Don't see what you need? Contact us. We have many more tubes that are not yet listed. We also have new and good used tubes in most other numbers including preoctal, globe/balloon, octal, loctal, miniature, subminiature, metal, power, transmitter tubes and many more.

MDB Ventures Audio Tubes
Qty
Avail
Tube
Type
Price
Each
Tube
Brand
Emission
Strength
Mutual
Conduct

Desc

Notes
1 6K6-GT $7.50 RCA 130% 2100: 1600 NOS (OB) white lettering - oval black plate - clear glass
1 6K6-GT $7.50 RCA 120% 2100: 1600 NOS (OB) white lettering - oval black plate - clear glass - JAN
1 6K6-GT $7.50 RCA 130% 2100: 1600 NOS (OB) white lettering - oval black plate - clear glass
1 6K6-GT $7.50 RCA 135% 2100: 1600 NOS (OB) white lettering - oval black plate - clear glass
1 6K6-GT $7.50 RCA 140% 2100: 1600 NOS (OB) white lettering - oval black plate - clear glass
1 6K6-GT $7.50 RCA 130% 2100: 1600 NOS (OB) white lettering - oval black plate - clear glass
1 6K6-GT $7.50 RCA 130% 2200: 1600 NOS (OB) red lettering - oval black plate - clear glass
1 6K6-GT $7.50 RCA 125% 2200: 1600 NOS (OB) red lettering - oval black plate - clear glass
1 6K6-GT $7.50 RCA 140% 2200: 1600 NOS (OB) red lettering - oval black plate - clear glass
1 6K6-GT $7.50 RCA 130% 2150: 1600 NOS (wb) red lettering - oval black plate - clear glass
1 6K6-GT $7.50 RCA 130% 2200: 1600 NOS (wb) red lettering - oval black plate - clear glass
1 6K6-GT $7.50 RCA 140% 2100: 1600 NOS (OB) red lettering - oval black plate - clear glass
1 6K6-GT $7.50 RCA 120% 2100: 1600 NOS (OB) red lettering - oval black plate - clear glass
1 6K6-GT $7.50 RCA 135% 2200: 1600 NOS (OB) red lettering - oval black plate - clear glass
1 6K6-GT $7.50 RCA 135% 2200: 1600 NOS (OB) red lettering - oval black plate - clear glass
1 6K6-GT $7.50 RCA 140% 2000: 1600 NOS (OB) red lettering - oval black plate - clear glass - side getter
1 6K6-GT $7.50 RCA 125% 2100: 1600 NOS (OB) red lettering - round black plate - clear glass - button base - grid 'c' clip
1 6K6-GT $7.50 Raytheon 140% 2200: 1600 NOS (OB) round black plate - clear glass - top getter - grid 'c' clip
1 6K6-GT $7.50 Raytheon 140% 2000: 1600 NOS (OB) gray coat - grid 'c' clip
1 6K6-GT $7.50 Raytheon 135% 2000: 1600 NOS (OB) black coat - grid 'c' clip
1 6K6-GT $7.50 Raytheon 130% 2000: 1600 NOS (OB) black coat - grid 'c' clip
1 6K6-GT $7.50 GE 140% 2150: 1600 NOS (OB) white lettering - round black plate - clear glass - top getter - grid 'c' clip
1 6K6-GT $6.00 GE 130% 2200: 1600 NOS (OB) white lettering - rectangular gray plate - clear glass - top getter
1 6K6-GT $6.00 GE 130% 2150: 1600 NOS (OB) white lettering - rectangular gray plate - clear glass - top getter
1 6K6-GT $6.00 GE 135% 2100: 1600 NOS (OB) white lettering - rectangular gray plate - clear glass - top getter
1 6K6-GT $6.00 CBS 125% 2000: 1600 NOS (OB) round black plate - clear glass
1 6K6-GT $6.00 CBS 130% 2150: 1600 NOS (OB) round black plate - clear glass
1 6K6-GT $6.00 CBS 125% 2000: 1600 NOS (OB) round black plate - clear glass
1 6K6-GT $7.50 Channel Master 130% 2050: 1600 NOS (OB) smooth round gray plate - clear glass - grid 'c' clip
1 6K6-GT $7.50 Channel Master 140% 2200: 1600 NOS (OB) smooth round gray plate - clear glass - grid 'c' clip
1 6K6-GT $7.50 Channel Master 135% 2100: 1600 NOS (OB) smooth round gray plate - clear glass - grid 'c' clip
1 6K6-GT $7.50 Channel Master 140% 2150: 1600 NOS (OB) smooth round gray plate - clear glass - grid 'c' clip
1 6K6-GT $7.50 Channel Master 140% 2100: 1600 NOS (OB) smooth round gray plate - clear glass - grid 'c' clip
1 6K6-GT $10.00 Sylvania 130% 2050: 1600 NOS (OB) round black plate - clear glass - top getter - grid 'c' clip - green lettering - JAN
1 6K6-GT* $8.00 Sylvania 130% 2000: 1600 NOS (OB) round black plate - clear glass - top getter - grid 'c' clip - yellow lettering
1 6K6-GT* $8.00 Sylvania 130% 2100: 1600 NOS (OB) round black plate - clear glass - top getter - grid 'c' clip - yellow lettering
1 6K6-GT $8.00 Sylvania 120% 2000: 1600 NOS (OB) round black plate - clear glass - top getter - grid 'c' clip - yellow lettering
1 6K6-GT $8.00 Sylvania 120% 2000: 1600 NOS (OB) round black plate - clear glass - top getter - grid 'c' clip - yellow lettering
1 6K6-GT $8.00 Sylvania 125% 2000: 1600 NOS (OB) round black plate - clear glass - top getter - grid 'c' clip - yellow lettering
1 6K6-GT $8.00 Sylvania 140% 2100: 1600 NOS (OB) round black plate - clear glass - top getter - grid 'c' clip - yellow lettering
1 6K6-GT $8.00 Sylvania 130% 2100: 1600 NOS (wb) round black plate - clear glass - top getter - grid 'c' clip - yellow lettering
1 6K6-GT $8.00 Sylvania 150% 2050: 1600 NOS (OB) round black plate - clear glass - top getter - grid 'c' clip - yellow lettering
1 6K6-GT $8.00 Sylvania 135% 2200: 1600 NOS (OB) round black plate - clear glass - top getter - grid 'c' clip - red lettering
1 6K6-GT $8.00 Sylvania 150% 2250: 1600 NOS (OB) round black plate - clear glass - top getter - grid 'c' clip - red lettering
1 6K6-GT $8.00 National Union 120% 2000: 1600 NOS (OB) black coat
1 6K6-GT $6.00 ITT 130% 2100: 1600 NOS (OB) oval black plate - clear glass - top getter - grid 'c' clip
1 6K6-GT $6.00 ITT 125% 2000: 1600 NOS (OB) oval black plate - clear glass - top getter - grid 'c' clip
1 6K6-GT $6.00 ITT 120% 2050: 1600 NOS (OB) oval black plate - clear glass - top getter - grid 'c' clip
1 6K6-GT $8.00 Philco 120% 2000: 1600 NOS (OB) round black plate - clear glass - grid 'c' clip - damaged box
1 6K6-GT $7.50 Westinghouse 130% 2200: 1600 NOS (OB) rectangular black plate - clear glass - top getter - grid 'c' clip
1 6K6-GT $6.00 Triad 150% 2800: 1600 NOS (OB) oval gray plate - clear glass - top getter - grid 'c' clip
1 6K6-GT $6.00 Dumont 120% 2000: 1600 NOS (OB) round black plate - clear glass - top getter - grid 'c' clip
1 6K6-GT $6.00 Wizard 130% 2200: 1600 NOS (ob) black coat - damaged bbox
1 6K6-GT $7.50 Wards Super Airline 130% 2050: 1600 NOS (wb) clear glass - oval black plate
1 6K6-GT $7.50 Silvertone 110% 2000: 1600 NOS (OB) round black plate - clear glass - top getter
1 6K6-GT $6.00 Delco 140% 2100: 1600 NOS (OB) oval black plate - clear glass - torn box flap
1 6K6-GT $6.00 Rad-Tel 100% 1800: 1600 NOS (OB) oval gray plate - clear glass
1 6K6-GT $6.00 Westinghouse 130% 2300: 1600 NOS (OB) clear glass - rectangular black plate - top getter
1 6K6-GT $8.00 Sentinel 100% 1900: 1600 used (wb) brown base - black coat - grid 'c' clip
1 6K6-GT $10.00 Sylvania 120% 2100: 1600 used (wb) brown base - clear glass - round ribbed plate - grid 'c' clip - green lettering
1 6K6-GT $10.00 Raytheon 125% 1950: 1600 used (wb) brown base - clear glass - oval black plate
1 6K6-GT / VT-152 $10.00 Tung-Sol 110% 1900: 1600 used (wb) black coat
1 6K6-GT / VT-152 $10.00 Tung-Sol 110% 1750: 1600 used (rb) black coat - JAN
1 6K6-GT / VT-152 $7.50 Sylvania 110% 1750: 1600 used (rb) white lettering - gray coat - grid 'c' clip - JAN
1 6K6-GT / VT-152 $7.50 RCA 130% 2100: 1600 used (rb) gray coat - white lettering - grid 'c' clip
1 6K6-GT / VT-152 $6.00 Sylvania 100% 1600: 1600 used (rb) gray coat - grid 'c' clip - white lettering - JAN
1 6K6-GT / VT-152 $6.00 Ken-Rad 100% 1750: 1600 used (rb) black coat - round black plate - JAN
1 6K6-GT $6.00 US Navy 110% 2050: 1600 used (rb) gray coat - grid 'c' clip
1 6K6-GT $6.00 US Navy 125% 2000: 1600 used (rb) gray coat - grid 'c' clip
1 6K6-GT $6.00 US Navy 130% 2000: 1600 used (rb) gray coat - grid 'c' clip
1 6K6-GT $6.00 Tung-Sol 110% 1950: 1600 used (rb) black coat - round black plate
1 6K6-GT $6.00 Tung-Sol 110% 1950: 1600 used (rb) black coat
1 6K6-GT $6.00 Tung-Sol 120% 1900: 1600 used (rb) black coat - round black plate
1 6K6-GT $6.00 Tung-Sol 140% 2350: 1600 used (rb) black coat
1 6K6-GT $6.00 Tung-Sol 120% 2000: 1600 used (rb) black coat
1 6K6-GT $6.00 Tung-Sol 130% 2100: 1600 used (rb) black coat
1 6K6-GT $6.00 Tung-Sol 115% 1850: 1600 used (rb) black coat - round black plate
1 6K6-GT $6.00 Tung-Sol 110% 2100: 1600 used (rb) black coat - round black plate
1 6K6-GT $4.00 Tung-Sol 120% 1900: 1600 used (rb) black coat - cracked base
1 6K6-GT $5.00 RCA 135% 2100: 1600 used (OB) red lettering - oval black plate - clear glass
1 6K6-GT $5.00 RCA 140% 2300: 1600 used (ob) red lettering - oval black plate - clear glass
1 6K6-GT $5.00 RCA 130% 2050: 1600 used (rb) red lettering - oval black plate - clear glass
1 6K6-GT $5.00 RCA 140% 2100: 1600 used (rb) red lettering - oval black plate - clear glass
1 6K6-GT $5.00 RCA 115% 1900: 1600 used (rb) white lettering - oval black plate - clear glass
1 6K6-GT $5.00 RCA 110% 1800: 1600 used (rb) white lettering - gray coat - grid 'c' clip
1 6K6-GT $5.00 RCA 105% 1700: 1600 used (rb) white lettering - oval black plate - clear glass
1 6K6-GT $5.00 RCA Victor 100% 1800: 1600 used (rb) gray coat - white lettering
1 6K6-GT $3.00 RCA 95% 1550: 1600 used (rb) white lettering - oval black plate - clear glass
1 6K6-GT $5.00 Sylvania 140% 3100: 1600 used (wb) red lettering - top getter - gray coat
1 6K6-GT $5.00 Sylvania 130% 2150: 1600 used (rb) green lettering - round black plate - clear glass - top getter
1 6K6-GT $5.00 Sylvania 125% 2000: 1600 used (wb) gray coat - grid 'c' clip - white lettering
1 6K6-GT $5.00 Sylvania 125% 1950: 1600 used (rb) round black plate - clear glass - grid 'c' clip - top getter
1 6K6-GT $5.00 Sylvania 125% 1950: 1600 used (wb) gray coat - grid 'c' clip - white lettering
1 6K6-GT $5.00 Sylvania 110% 2000: 1600 used (ob) round black plate - clear glass - top getter - grid 'c' clip - yellow lettering
1 6K6-GT- $5.00 Sylvania 120% 2050: 1600 used (ob) round black plate - bottom getter - clear glass - grid 'c' clip - green lettering
1 6K6-GT $5.00 Eico by Sylvania 120% 2050: 1600 used (rb) round black plate - grid 'c' clip - top getter
1 6K6-GT $5.00 Sylvania 110% 1900: 1600 used (ob) round black plate - top getter - grid 'c' clip - yellow lettering
1 6K6-GT $5.00 Westinghouse 110% 1800: 1600 used (rb) round black plate - clear glass - top getter
1 6K6-GT $5.00 Westinghouse 110% 2300: 1600 used (rb) oval black plate - clear glass - top getter
1 6K6-GT $5.00 Westinghouse 105% 2100: 1600 used (rb) rectangular black plate - clear glass - top getter
1 6K6-GT $5.00 Raytheon 130% 2100: 1600 used (rb) gray coat - grid 'c' clip
1 6K6-GT $5.00 Raytheon 130% 2050: 1600 used (rb) gray coat - grid 'c' clip - round black plate
1 6K6-GT $5.00 Raytheon 115% 1950: 1600 used (rb) gray coat - grid 'c' clip - round black plate
1 6K6-GT $5.00 Raytheon 110% 1700: 1600 used (rb) gray coat - grid 'c' clip
1 6K6-GT $5.00 Raytheon 110% 1900: 1600 used (rb) oval black plate - clear glass - grid 'c' clip
1 6K6-GT $5.00 Raytheon 125% 2000: 1600 used (ob) round black plate - clear glass - grid 'c' clip
1 6K6-GT $5.00 Raytheon 125% 2150: 1600 used (ob) oval black plate - clear glass
1 6K6-GT $5.00 Raytheon 110% 2100: 1600 used (ob) rectangular black plate - clear glass - grid 'c' clip - top getter
1 6K6-GT $5.00 Philco 110% 2000: 1600 used (rb) round black plate - grid 'c' clip - clear glass
1 6K6-GT $5.00 Admiral 120% 2000: 1600 used (rb) black coat - grid 'c' clip
1 6K6-GT $5.00 Rad-Tel 120% 2000: 1600 used (rb) round black plate - gray coat - grid 'c' clip
1 6K6-GT $5.00 CBS 110% 1900: 1600 used (rb) black coat
1 6K6-GT $5.00 Ken-Rad 130% 2000: 1600 used (rb) black coat
1 6K6-GT $5.00 Tru-Vac 130% 2000: 1600 used (rb) oval black plate - clear glass
1 6K6-GT $5.00 Cornell 110% 2000: 1600 used (rb) oval black plate - clear glass
1 6K6-GT $5.00 Truetone 115% 1850: 1600 used (rb) oval black plate - clear glass
1 6K6-GT $5.00 Wards Super Airline 120% 2000: 1600 used (rb) oval black plate - clear glass
1 6K6-GT $5.00 RCA Victor 110% 1900: 1600 used (ob) gray coat - grid 'c' clip
1 6K6-GT $5.00 CBS 135% 2200: 1600 used (rb) clear glass - oval black plate
1 6K6-GT $5.00 Hoffman 125% 2100: 1600 used (rb) clear glass - oval black plate
1 6K6-GT $5.00 Admiral 125% 2000: 1600 used (rb) black coat - grid 'c' clip
1 6K6-GT $5.00 Comercial Trades Institute 125% 2100: 1600 used (rb) clear glass - top getter - round black plate - grid 'c' clip
1 6K6-GT $5.00 Capehart 110% 2000: 1600 used (rb) clear glass - top getter - round black plate
1 6K6-GT $5.00 National Union 135% 2150: 1600 NOS (wb) gray coat - grid 'c' clip
1 6K6-GT $5.00 Wizard 125% 1900: 1600 used (rb) black coat
1 6K6-GT $5.00 Delco 120% 2000: 1600 used (rb) gray coat - grid 'c' clip
1 6K6-GT $5.00 Dumont 150% 3000: 1600 used (rb) black coat - grid 'c' clip
1 6K6-GT $5.00 RCA 110% 1800: 1600 used (ob) clear glass - oval black plate - red lettering
1 6K6-GT $5.00 RCA 120% 2050: 1600 used (ob) clear glass - oval black plate - white lettering
1 6K6-GT $5.00 RCA 140% 2250: 1600 used (rb) clear glass - oval black plate - red lettering
1 6K6-GT $5.00 RCA 120% 2050: 1600 used (rb) clear glass - oval black plate - red lettering
1 6K6-GT $5.00 Ken-Rad 120% 2000: 1600 used (rb) black coat
1 6K6-GT $5.00 Ken-Rad 120% 1900: 1600 used (rb) black coat
1 6K6-GT $5.00 GE 110% 2000: 1600 used (rb) clear glass - top getter - round black plate - grid 'c' clip
1 6K6-GT $5.00 GE 100% 2050: 1600 used (ob) oval black plate - clear glass - top getter
1 6K6-GT $5.00 GE 130% 2100: 1600 used (rb) clear glass - rectangular black plate - white lettering - top getter - grid 'c' clip
1 6K6-GT $5.00 GE 110% 2100: 1600 used (rb) clear glass - rectangular black plate - white lettering - top getter
1 6K6-GT $5.00 GE 120% 2000: 1600 used (rb) clear glass - rectangular black plate - white lettering - top getter
1 6K6-GT $5.00 GE 110% 2100: 1600 used (rb) rectangular gray plate - top getter clear glass
1 6K6-GT $5.00 GE 120% 2100: 1600 used (rb) clear glass - rectangular gray plate - white lettering - top getter
1 6K6-GT $5.00 Sylvania 115% 1950: 1600 used (ob) bottom getter - clear glass - round black plate - green lettering - grid 'c' clip
1 6K6-GT $5.00 Sylvania 120% 1950: 1600 used (ob) gray coat - white lettering - grid 'c' clip
1 6K6-GT $5.00 Sylvania 130% 2000: 1600 used (ob) gray coat - grid 'c' clip - green lettering
1 6K6-GT $5.00 Silvertone 120% 1800: 1600 used (rb) clear glass - oval black plate - grid 'c' clip
1 6K6-GT $5.00 Super Silvertone 125% 2000: 1600 used (rb) gray coat - grid 'c' clip
1 6K6-GT $5.00 CBS 110% 2000: 1600 used (rb) clear glass - oval black plate
1 6K6-GT $4.00 unknown 125% 2100: 1600 used (rb) oval black plate - clear glass
1 6K6-GT $6.00 Hytron 100% 2100: 1600 used (rb) clear glass - red lettering - bottom getter - grid 'c' clip - metal base
1 6K6-GT $5.00 RCA 120% 2000: 1600 used (L) gray coat - white lettering - bottom getter - grid 'c' clip
1 6K6-GT $5.00 Sylvania 120% 2200: 1600 used (L) top getter - clear glass - round black plate - yellow lettering - grid 'c' clip (au-29B)
1 6K6-GT $5.00 Sylvania 130% 2200: 1600 used (L) bottom getter - clear glass - round black plate - green lettering - grid 'c' clip (au-29B)
1 6K6-GT $4.00 GE 100% 1800: 1600 used (L) gray coat - red lettering - bottom getter - grid 'c' clip
1 6K6-GT $4.00 GE 110% 1900: 1600 used (L) gray coat - red lettering - bottom getter - grid 'c' clip
1 6K6-GT $5.00 GE 100% 1900: 1600 used (L) gray coat - red lettering - bottom getter - grid 'c' clip
1 6K6-GT $5.00 RCA 125% 2050: 1600 used (L) clear glass - oval black plate - white lettering (au-29B)
1 6K6-GT $5.00 RCA 125% 2100: 1600 used (L) clear glass - oval black plate - white lettering (au-29B)
1 6K6-GT $5.00 RCA 110% 1600: 1600 used (L) clear glass - oval black plate - white lettering (au-29B)
1 6K6-GT $5.00 RCA 135% 2200: 1600 used (L) clear glass - oval black plate - red lettering (au-29B)
1 6K6-GT $5.00 RCA 135% 2150: 1600 used (L) clear glass - oval black plate - white lettering (au-29B)
1 6K6-GT $5.00 RCA 140% 2200: 1600 used (L) clear glass - oval black plate - white lettering (au-29B)
1 6K6-GT $5.00 RCA 130% 2250: 1600 used (L) clear glass - oval black plate - white lettering (au-29B)
1 6K6-GT $5.00 RCA 120% 2100: 1600 used (L) gray coat - white lettering (au-29B)
1 6K6-GT $5.00 RCA 115% 2100: 1600 used (L) gray coat - white lettering - grid 'c' clip (au-29B)
1 6K6-GT $5.00 RCA 120% 2100: 1600 used (L) gray coat - white lettering - grid 'c' clip (au-29B)
1 6K6-GT $5.00 RCA 120% 2000: 1600 used (L) clear glass - oval black plate - white lettering (au-29B)
1 6K6-GT $5.00 RCA 110% 1900: 1600 used (L) gray coat - grid 'c' clip - white lettering (au-29B)
1 6K6-GT $5.00 RCA 120% 2050: 1600 used (L) gray coat - grid 'c' clip - white lettering (au-29B)
1 6K6-GT $5.00 RCA 125% 2000: 1600 used (L) clear glass - oval black plate - white lettering (au-29B)
1 6K6-GT $5.00 RCA 120% 2100: 1600 used (L) clear glass - top getter - oval gray plate - white lettering (au-29B)
1 6K6-GT $5.00 RCA 130% 2000: 1600 used (L) clear glass - oval black plate - red lettering (au-29B)
1 6K6-GT $5.00 RCA 120% 1900: 1600 used (L) clear glass - oval black plate - white lettering (au-29B)
1 6K6-GT $5.00 RCA 110% 2000: 1600 used (L) clear glass - oval black plate - white lettering (au-29B)
1 6K6-GT $5.00 RCA 130% 2100: 1600 used (L) clear glass - oval black plate - white lettering (au-29B)
1 6K6-GT $5.00 RCA 130% 2200: 1600 used (L) clear glass - oval black plate - white lettering (au-29B)
1 6K6-GT $5.00 RCA 130% 1950: 1600 used (L) clear glass - oval black plate - red lettering (au-29B)
1 6K6-GT $5.00 RCA 135% 2150: 1600 used (L) clear glass - oval black plate - white lettering (au-29B)
1 6K6-GT $5.00 RCA 110% 2000: 1600 used (L) gray coat - oval black plate - white lettering (au-29B)
1 6K6-GT $5.00 RCA 110% 1800: 1600 used (L) clear glass - oval black plate - red lettering (au-29B)
1 6K6-GT $5.00 Eico by RCA 125% 2100: 1600 used (L) clear glass - oval black plate (au-29B)
1 6K6-GT $5.00 Eico by RCA 120% 2000: 1600 used (L) clear glass - oval black plate (au-29B)
1 6K6-GT $5.00 Philco 130% 2000: 1600 used (L) top getter - clear glass - round black plate (au-29B)
1 6K6-GT $4.00 Sylvania 130% 2100: 1600 used (L) top getter - clear glass - round black plate - red lettering - grid 'c' clip (au-29B)
1 6K6-GT $4.00 Sylvania 115% 2000: 1600 used (L) top getter - clear glass - round black plate - yellow lettering (au-29B)
1 6K6-GT $5.00 Ken-Rad 110% 1850: 1600 used (L) black coat (au-29B)
1 6K6-GT $4.00 Omega 130% 2100: 1600 used (L) clear glass - rectangular black plate - top getter - grid 'c' clip (au-29B)
1 6K6-GT $5.00 Emerson 130% 2150: 1600 used (L) clear glass - round ribbed black plate - grid 'c' clip (au-29B)
1 6K6-GT $4.00 Coronado 110% 1900: 1600 used (L) black coat (au-29B)
1 6K6-GT $4.00 Silvertone 130% 1900: 1600 used (L) black coat - grid 'c' clip (au-29B)
1 6K6-GT $4.00 unknown (Realistic?) 130% 2100: 1600 used (L) clear glass - oval black plate - gold pins (au-29B)
1 6K6-GT $3.00 unknown 130% 1850: 1600 used (L) black coat - round black plate (au-29B)
1 6K6-GT $3.00 Philco 100% 2050: 1600 used (L) black coat (au-29B)
1 6K6-GT $3.00 Philco 100% 2000: 1600 used (L) black coat - cracked base (au-29B)
1 6K6-GT $3.00 GE 100% 1750: 1600 used (L) black coat - white lettering (au-29B)
1 6K6-GT $3.00 RCA 100% 1750: 1600 used (L) gray coat - white lettering (au-29B)
1 6K6-GT $3.00 RCA 100% 1750: 1600 used (L) gray coat - grid 'c' clip - white lettering (au-29B)
1 6K6-GT $3.00 RCA 100% 1650: 1600 used (L) clear glass - oval black plate - white lettering (au-29B)
1 6K6-GT $3.00 RCA 100% 1800: 1600 used (L) clear glass - oval black plate - white lettering (au-29B)
1 6K6-GT $3.00 RCA Victor 100% 1700: 1600 used (L) gray coat - grid 'c' clip (au-29B)
1 6K6-GT $3.00 Raytheon 100% 1900: 1600 used (L) gray coat - grid 'c' clip (au-29B)
1 6K6-GT $3.00 Raytheon 100% 2000: 1600 used (L) gray coat - grid 'c' clip (au-29B)
1 6K6-GT $3.00 Ken-Rad 100% 1650: 1600 used (L) black coat - grid 'c' clip (au-29B)
1 6K6-GT $3.00 Ken-Rad 100% 1650: 1600 used (L) black coat - grid 'c' clip (au-29B)
1 6K6-GT $3.00 Sylvania 100% 1750: 1600 used (L) clear glass - top getter - round black plate - red lettering (au-29B)
1 6K6-GT $3.00 Sylvania 100% 11800: 1600 used (L) gray coat - grid 'c' clip (au-29B)
1 6K6-GT $3.00 Admiral 100% 1700: 1600 used (L) black coat (au-29B)
1 6K6-GT $3.00 Silvertone 00% 1850: 1600 used (L) clear glass - top getter - round ribbed black plate - grid 'c' clip (au-29B)
1 6K6-GT $3.00 Silvertone 100% 1950: 1600 used (L) black coat (au-29B)
1 6K6-GT $3.00 Silvertone 100% 1850: 1600 used (L) clear glass - round ribbed black plate - top getter - grid 'c' clip (au-29B)
1 6K6-GT $3.00 Wards Super Airline 100% 1750: 1600 used (L) black coat (au-29B)
1 6K6-GT $3.00 Silvertone 100% 2000: 1600 used (L) clear glass - round ribbed black plate - top getter - grid 'c' clip (au-29B)
1 6K6-GT $3.00 RCA 100% 1600: 1600 used (L) gray coat - grid 'c' clip - white lettering (au-29B)
1 6K6-GT $3.00 RCA 100% 1700: 1600 used (L) gray coat - oval black plate - white lettering (au-29B)
1 6K6-GT $3.00 Ken-Rad 100% 1900: 1600 used (L) black coat (au-29B)
1 6K6-GT $3.00 Ken-Rad 100% 1900: 1600 used (L) black coat (au-29B)
1 6K6-GT $3.00 Westinghouse 100% 2050: 1600 used (L) black coat - round plate (au-29B)
1 6K6-GT $3.00 Admiral 100% 1750: 1600 used (L) gray coat (au-29B)
1 6K6-GT $3.00 Delco 100% 1850: 1600 used (L) gray coat - grid 'c' clip (au-29B)
1 6K6-GT $3.00 CBS 100% 1800: 1600 used (L) clear glass - bottom getter - round black plate (au-29B)
1 6K6-GT $3.00 Philco 100% 1950: 1600 used (L) clear glass - top getter - round black plate (au-29B)
1 6K6-GT $3.00 Hoffman 100% 1950: 1600 used (L) black coat (au-29B)
1 6K6-GT $3.00 Hallicrafters 100% 2100: 1600 used (L) clear glass - bottom getter - round black plate - grid 'c' clip (au-29B)
1 6K6-GT $3.00 Sylvania 100% 1950: 1600 used (L) clear glass - top getter - round black plate - grid 'c' clip - red lettering (au-29B)
1 6K6-GT $3.00 Sylvania 100% 2000: 1600 used (L) clear glass - top getter - round black plate (au-29B)
1 6K6-GT $3.00 Tung-Sol 100% 1850: 1600 used (L) gray coat - grid 'c' clip (au-29B)
1 6K6-GT $3.00 RCA Victor 100% 1900: 1600 used (rb) gray coat (au-29B)
1 6K6-GT $3.00 National Union 95% 1900: 1600 used (L) brown base - black coat - grid 'c' clip - cracked base - loose base
1 6K6-GT $2.50 Cunningham 90% 1700: 1600 used (L) gray coat (au-29B)
1 6K6-GT $2.50 RCA 90% 2000: 1600 used (L) oval black plate - clear glass - loose base (au-29B)
1 6K6-GT $2.50 RCA 95% 1900: 1600 used (L) gray coat - grid 'c' clip (au-29B)
1 6K6-GT $2.50 RCA 95% 1750: 1600 used (L) gray coat - grid 'c' clip (au-29B)
1 6K6-GT $2.50 RCA 90% 1850: 1600 used (L) gray coat - grid 'c' clip (au-29B)
1 6K6-GT $2.50 RCA Victor 90% 1500: 1600 used (L) gray coat (au-29B)
1 6K6-GT $2.50 RCA Victor 90% 1600: 1600 used (L) oval black plate (au-29B)
1 6K6-GT $2.50 RCA Victor 90% 1650: 1600 used (L) gray coat (au-29B)
1 6K6-GT $2.50 Ken-Rad 90% 1700: 1600 used (L) black coat (au-29B)
1 6K6-GT $2.50 GE 90% 1700: 1600 used (L) black coat - white lettering (au-29B)
1 6K6-GT $2.50 Sylvania 90% 1800: 1600 used (L) oval black plate - grid 'c' clip - clear glass - green lettering (au-29B)
1 6K6-GT $2.50 Sylvania 90% 2000: 1600 used (L) round ribbed black plate - clear glass - top getter - grid 'c' clip - yellow lettering (au-29B)
1 6K6-GT $2.50 Wards Super Airline 95% 1600: 1600 used (L) gray coat (au-29B)
1 6K6-GT $2.50 Wizard 90% 1750: 1600 used (L) black coat (au-29B)
1 6K6-GT $2.00 unknown 90% 1400: 1600 used (L) gray coat - grid 'c' clip (au-29B)
1 6K6-GT $2.50 RCA Victor 90% 1800: 1600 used (L) gray coat (au-29B)
1 6K6-GT $2.50 RCA Victor 90% 1650: 1600 used (L) gray coat (au-29B)
1 6K6-GT $2.50 RCA Victor 90% 1450: 1600 used (L) gray coat (au-29B)
1 6K6-GT $2.50 RCA Victor 90% 1700: 1600 used (L) grid 'c' clip - gray coat (au-29B) (cat:402-81)
1 6K6-GT $2.50 RCA 90% 1800: 1600 used (L) gray coat - white lettering (au-29B)
1 6K6-GT $2.50 RCA 95% 1750: 1600 used (L) gray coat - white lettering - grid 'c' clip (au-29B)
1 6K6-GT $2.50 RCA 90% 2050: 1600 used (L) oval black plate - clear glass - white lettering (au-29B)
1 6K6-GT $2.50 RCA 90% 1600: 1600 used (L) oval black plate - clear glass - white lettering (au-29B)
1 6K6-GT $2.50 Hallicrafters 90% 1900: 1600 used (L) gray coat (au-29B)
1 6K6-GT $2.50 Philco 95% 1800: 1600 used (L) gray coat (au-29B)
1 6K6-GT $2.50 Admiral 95% 1850: 1600 used (L) gray coat (au-29B)
1 6K6-GT $2.50 Admiral 90% 1700: 1600 used (L) gray coat (au-29B)
1 6K6-GT $2.50 Silvertone 90% 1900: 1600 used (L) black coat (au-29B)
1 6K6-GT $2.50 Emerson 90% 1450: 1600 used (L) gray coat (au-29B)
1 6K6-GT $2.50 Tru-Vac 90% 1600: 1600 used (L) gray coat (au-29B)
1 6K6-GT $2.50 Ken-Rad 95% 1650: 1600 used (L) black coat (au-29B)
1 6K6-GT $2.50 GE 95% 1500: 1600 used (L) black coat - white lettering (au-29B)
1 6K6-GT $2.50 GE 90% 1500: 1600 used (L) black coat - white lettering (au-29B)
1 6K6-GT $2.00 GE 85% 1800: 1600 used (L) oval black plate - top getter (au-29B)
1 6K6-GT $2.00 RCA Victor 85% 1400: 1600 used (L) gray coat (au-29B)

Notes:
(OB) = original box, (rb) = relabeled/replacement box, (wb) = white box, (L) = loose (no box), (pl) = paper label on tube (original or third party)
(H) = tested on Hickok 539A
(ST)=ST Style, (GT)=GT Style, (TT)=Tall Tubular, (M7)=7pin miniature, M9=9pin miniature, (SM)=subminiature, JAN = Military
Emission Strength = Percentage of emission measured on Eico 666 tube tester
(Emission Strength = 100% baseline reference, >80%:good, >60%:fair >40%=diode good).
Gm = Mutual conductance measured on Hickok 533 tube tester; Except (H)=tested on Hickok 539A
(Gm = measured/baseline, measured1:measured2/baseline, measured1:measured2/baseline1:baseline2).


How To Order:

Purchasing our audio tubes is easy.
Just send us an email indicating the tubes (including quantities) you want.
We will let you know the total price including shipping and handling.

Shipping and Handling Information

Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com

Due to the highly volatile nature of the tube business, all Prices are subject to change without notice.


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Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com